fixed some broken links

Author: mkalkbrenner

README.md

@@ -29,7 +29,7 @@ You should be able to access the doc site via your web browser at `localhost:800
 
 ## To contribute
 
-We would love contributions to the docs! We have a [Contributing Guide](https://github.com/PPUC/docs/blob/main/docs/about/help_docs.md)
+We would love contributions to the docs! We have a [Contributing Guide](/docs/about/help_docs.md)
 which explains how to contribute.
 
 ## Configuring site navigation

includes/content_footer.md

@@ -7,7 +7,7 @@
 
     Please help us! You can fix it yourself and be an official "open source" contributor!
 
-    It's easy! See our _[Beginner's guide to editing the docs]/docs/about/help)_.
+    It's easy! See our _[Beginner's guide to editing the docs](/docs/about/help)_.
 
 ??? tip "Page navigation via the keyboard: ++less++ ++greater++"
 

includes/todo.md

@@ -1,12 +1,12 @@
 !!! success "Help us write it!"
 
-    This section is unwritten or needs an update or edit. Can you [help write it]/docs/about/help)?
+    This section is unwritten or needs an update or edit. Can you [help write it](/docs/about/help)?
     Get your name in lights and geeky pinball bragging rights! Hit the magic sparkly wand to
     the right of the title to see this page source on GitHub. Then add/edit and
     submit your change. It's easy! :fontawesome-solid-wand-magic-sparkles: :material-arrow-top-right:
 
     ----------------------------------------------------------------------------------
 
     <div style="text-align: center;">
-        [CLICK TO LEARN HOW TO EDIT THIS PAGE :material-heart-multiple-outline:]/docs/about/help){ .md-button .md-button--primary }
+        [CLICK TO LEARN HOW TO EDIT THIS PAGE :material-heart-multiple-outline:](/docs/about/help){ .md-button .md-button--primary }
     </div>